<template>
  <div class="article-detail__container">
    <!-- Header 区域 -->
    <van-nav-bar fixed title="文章详情" left-arrow @click-left="$router.go(-1)" />

    <!-- 文章信息区域 -->
    <div class="article-container" v-if="loading">
      <!-- 文章标题 -->
      <h1 class="art-title">{{artObj.title}}</h1>

      <!-- 用户信息 -->
      <van-cell center :title="artObj.aut_name" :label="artObj.pubdate">
        <template #icon>
          <img :src="artObj.aut_photo" alt="" class="avatar">
        </template>
        <template #default>
          <div>
            <van-button type="info" size="mini" v-if="artObj.is_followed" @click="followingUnFn">已关注</van-button>
            <van-button icon="plus" type="info" size="mini" plain v-else @click="followingUnFn">关注</van-button>
          </div>
        </template>
      </van-cell>

      <!-- 分割线 -->
      <van-divider></van-divider>

      <!-- 文章内容 -->
      <div class="art-content" v-html="artObj.content"></div>

      <!-- 分割线 -->
      <van-divider>End</van-divider>

      <!-- 点赞 -->
      <div class="like-box">
        <van-button icon="good-job" type="danger" size="small" v-if="artObj.attitude === 1" @click="likeUnFn">已点赞</van-button>
        <van-button icon="good-job-o" type="danger" plain size="small" v-else @click="likeUnFn">点赞</van-button>
      </div>
      <!-- 评论区 -->
      <comment/>
    </div>
  </div>
</template>

<script>
import comment from './comment.vue'
// 导入获取文章详情的
import { articleWenApi, followingApi, unfollowingApi, attitudeApi, unattitudeApi } from '@/api/article'
export default {
  components: { comment },
  name: 'artcile',
  data () {
    return {
      // 获取到的文章详情进行保存
      artObj: {},
      loading: false
    }
  },
  async created () {
  // created 钩子只会在组件一创建只执行一次
  // 文章一加载就需要展示出来哈
    this.loading = false
    // this.$Toast.loading({
    //   message: '加载中...',
    //   duration: 0,
    //   forbidClick: true,
    //   loadingType: 'spinner'
    // })
    const res = await articleWenApi({
      article_id: this.$route.query.art_id
    })
    this.loading = true
    this.artObj = res.data
  },
  methods: {
    async followingUnFn () {
      try {
        this.artObj.is_followed ? await unfollowingApi({
          article_id: this.artObj.aut_id
        }) : await followingApi({
          article_id: this.artObj.aut_id
        })
        this.$toast(this.artObj.is_followed ? '取关成功' : '关注成功')
        this.artObj.is_followed = !this.artObj.is_followed
      } catch {
        this.$toast(this.artObj.is_followed ? '关注失败!' : '取消失败!')
      }
    },
    // 点赞
    async likeUnFn () {
      try {
        this.artObj.attitude === 1 ? await unattitudeApi({ article_id: this.artObj.art_id }) : await attitudeApi({ article_id: this.artObj.art_id })
        this.$toast(this.artObj.attitude === 1 ? '取消成功' : '点赞成功')
        // 控制数据点击
        this.artObj.attitude = this.artObj.attitude === 1 ? -1 : 1
      } catch (e) {
        this.$toast(this.artObj.attitude === 1 ? '去赞失败' : '点赞失败')
      }
    }
  }
}
</script>

<style scoped lang="less">
.article-container {
  padding: 10px;
  margin-top: 46px;
}
.art-title {
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0;
}

.art-content {
  font-size: 12px;
  line-height: 24px;
  width: 100%;
  overflow-x: scroll;
  word-break: break-all;
    /deep/ img{
   width: 100%;
   }
    /deep/ pre {
        white-space: pre-wrap;
        word-wrap: break-word;
    }
}

.van-cell {
  padding: 5px 0;
  &::after {
    display: none;
  }
}

.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #f8f8f8;
  margin-right: 5px;
  border: none;
}

.like-box {
  display: flex;
  justify-content: center;
}
</style>
